SUMMARY OF PROPOSAL 52049
NASA/GSFC
CODE 660.2
GREENBELT
MD USA 20771
Tel: 301 286 1586 Fax: 301 286 1684
Medium: 4GBDAT
Subject: X-RAY BINARIES
TWO X-RAY PULSARS WITH CONTROVERSIAL ORIGINS
ABSTRACT
We propose to observe the X-ray binary pulsars 1E1024.0-5732 and 2S0114+650 whose origins are controversial. These are the only persistent X-ray binary pulsars which are listed in the catalogue by van Paradijs (1995) and have not been observed with ASCA. 1E1024.0-5732/WACK 2134 may be the first X-ray selected Wolf-Rayet Star or a high mass X-ray binary system having the shortest spin-period (61 msec). 2S0114+650 exhibits marginal 850 sec coherent pulsations and periodic X-ray flares accompanying iron line intensity variations. Using the unique timing and spectral capabilities of ASCA, we will try to resolve origins of these mysterious sources.
CO-INVESTIGATORS
| CO-I NAME | INSTITUTE | COUNTRY |
|---|
| | | |
TARGETS
| TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
|---|
| 2)2S0114+650 | 1 | 19.5113 | 65.2886 | 25 ks | N | Y | P | 8.70000 | 1 |